Cat scratcher



FIG. 1 is a perspective view of a cat scratcher showing my new design;

FIG. 2 is a left side elevational view thereof, a right side being a mirror image of the left side shown;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a back view thereof. 

The ornamental design for a cat scratcher, as shown and described. 